| Telegames Inc. | DeveloperPublisher | |
| Telegames, Inc. | DeveloperPublisher | |
| Telenet | Developer | |
| Telenet Japan | DeveloperPublisher | |
| Telenet Japan (JP) | Publisher | |
| Telenet JapanJP | Publisher | |
| Telent Japan | Publisher | |
| Televisa | DeveloperPublisher | |
| Televisa Home Entertainment | Publisher | |
| Teljoor | Developer | |
| TellomnaX | Developer | |
| Telltale Games | DeveloperPublisher | |
| Telltale Publishing | Publisher | |
| Tellurion Mobile Games | Developer | |
| Telstar | DeveloperPublisher | |
| Telstar EU | Publisher | |
| Telstar Electronic Studios | DeveloperPublisher | |
| Telstar Electronic Studios Ltd | DeveloperPublisher | |
| TelstarPAL | Publisher | |
| Tembac | Developer | |
| Temmy | Developer | |
| TempVar Studios | Developer | |
| Tempa | Developer | |
| Temperanza Bros. | Developer | |
| Tempest Software | DeveloperPublisher | |
| TemplarGames | Developer | |
| TempleDSS | Developer | |
| Temporarily Unnamed Collective | Developer | |
| Temporarium | Developer | |
| Temporary_Alias | Developer | |
| Temsei | Developer | |
| Temulgeh | Developer | |
| Ten Men's Games | Developer | |
| TenTenTwentyTwenty | Developer | |
| TenaciousDan | Developer | |
| Tenbirds | DeveloperPublisher | |
| Tencent | DeveloperPublisher | |
| Tencent Inc. | Publisher | |
| Tender Claws | Publisher | |
| Tendershoot | Developer | |
| TendoMendo | Developer | |
| Tendogames | Developer | |
| Tenfor | Developer | |
| Tengen | DeveloperPublisher | |
| Tengen INT | Publisher | |
| Tengen Inc. | Developer | |
| Tengen NA | Publisher | |
| TengenNA | Publisher | |
| TengenNA/JP | Publisher | |
| TengenNA/PAL | Publisher | |